X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/dd0f27eb36e737261b57d6ebcbd9fe20e559470d..f3c1a187fe2bc33f8423cd535d5045899699995b:/cgit.c diff --git a/cgit.c b/cgit.c index cc18ed4..d0f6905 100644 --- a/cgit.c +++ b/cgit.c @@ -7,110 +7,180 @@ */ #include "cgit.h" +#include "cmd.h" static int cgit_prepare_cache(struct cacheitem *item) { - if (!cgit_repo && cgit_query_repo) { - char *title = fmt("%s - %s", cgit_root_title, "Bad request"); - cgit_print_docstart(title, item); - cgit_print_pageheader(title, 0); - cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); + if (!ctx.repo && ctx.qry.repo) { + ctx.page.title = fmt("%s - %s", ctx.cfg.root_title, + "Bad request"); + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); + cgit_print_error(fmt("Unknown repo: %s", ctx.qry.repo)); cgit_print_docend(); return 0; } - if (!cgit_repo) { - item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); - item->ttl = cgit_cache_root_ttl; + if (!ctx.repo) { + item->name = xstrdup(fmt("%s/index.html", ctx.cfg.cache_root)); + item->ttl = ctx.cfg.cache_root_ttl; return 1; } if (!cgit_cmd) { - item->name = xstrdup(fmt("%s/%s/index.%s.html", cgit_cache_root, - cache_safe_filename(cgit_repo->url), - cache_safe_filename(cgit_querystring))); - item->ttl = cgit_cache_repo_ttl; + item->name = xstrdup(fmt("%s/%s/index.%s.html", ctx.cfg.cache_root, + cache_safe_filename(ctx.repo->url), + cache_safe_filename(ctx.qry.raw))); + item->ttl = ctx.cfg.cache_repo_ttl; } else { - item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, - cache_safe_filename(cgit_repo->url), - cgit_query_page, - cache_safe_filename(cgit_querystring))); - if (cgit_query_has_symref) - item->ttl = cgit_cache_dynamic_ttl; - else if (cgit_query_has_sha1) - item->ttl = cgit_cache_static_ttl; + item->name = xstrdup(fmt("%s/%s/%s/%s.html", ctx.cfg.cache_root, + cache_safe_filename(ctx.repo->url), + ctx.qry.page, + cache_safe_filename(ctx.qry.raw))); + if (ctx.qry.has_symref) + item->ttl = ctx.cfg.cache_dynamic_ttl; + else if (ctx.qry.has_sha1) + item->ttl = ctx.cfg.cache_static_ttl; else - item->ttl = cgit_cache_repo_ttl; + item->ttl = ctx.cfg.cache_repo_ttl; } return 1; } +struct refmatch { + char *req_ref; + char *first_ref; + int match; +}; + +int find_current_ref(const char *refname, const unsigned char *sha1, + int flags, void *cb_data) +{ + struct refmatch *info; + + info = (struct refmatch *)cb_data; + if (!strcmp(refname, info->req_ref)) + info->match = 1; + if (!info->first_ref) + info->first_ref = xstrdup(refname); + return info->match; +} + +char *find_default_branch(struct cgit_repo *repo) +{ + struct refmatch info; + + info.req_ref = repo->defbranch; + info.first_ref = NULL; + info.match = 0; + for_each_branch_ref(find_current_ref, &info); + if (info.match) + return info.req_ref; + else + return info.first_ref; +} + static void cgit_print_repo_page(struct cacheitem *item) { - char *title; + char *tmp; int show_search; + unsigned char sha1[20]; + int nongit = 0; - if (!cgit_query_head) - cgit_query_head = cgit_repo->defbranch; - - if (chdir(cgit_repo->path)) { - title = fmt("%s - %s", cgit_root_title, "Bad request"); - cgit_print_docstart(title, item); - cgit_print_pageheader(title, 0); - cgit_print_error(fmt("Unable to scan repository: %s", - strerror(errno))); + setenv("GIT_DIR", ctx.repo->path, 1); + setup_git_directory_gently(&nongit); + if (nongit) { + ctx.page.title = fmt("%s - %s", ctx.cfg.root_title, + "config error"); + tmp = fmt("Not a git repository: '%s'", ctx.repo->path); + ctx.repo = NULL; + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); + cgit_print_error(tmp); cgit_print_docend(); return; } - title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); + ctx.page.title = fmt("%s - %s", ctx.repo->name, ctx.repo->desc); show_search = 0; - setenv("GIT_DIR", cgit_repo->path, 1); - if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) { - cgit_print_snapshot(item, cgit_query_head, cgit_query_sha1, - cgit_repobasename(cgit_repo->url), - cgit_query_path, - cgit_repo->snapshots ); + if (!ctx.qry.head) { + ctx.qry.head = xstrdup(find_default_branch(ctx.repo)); + ctx.repo->defbranch = ctx.qry.head; + } + + if (!ctx.qry.head) { + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); + cgit_print_error("Repository seems to be empty"); + cgit_print_docend(); + return; + } + + if (get_sha1(ctx.qry.head, sha1)) { + tmp = xstrdup(ctx.qry.head); + ctx.qry.head = ctx.repo->defbranch; + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); + cgit_print_error(fmt("Invalid branch: %s", tmp)); + cgit_print_docend(); + return; + } + + if ((cgit_cmd == CMD_SNAPSHOT) && ctx.repo->snapshots) { + cgit_print_snapshot(item, ctx.qry.head, ctx.qry.sha1, + cgit_repobasename(ctx.repo->url), + ctx.qry.path, + ctx.repo->snapshots ); + return; + } + + if (cgit_cmd == CMD_PATCH) { + cgit_print_patch(ctx.qry.sha1, item); return; } if (cgit_cmd == CMD_BLOB) { - cgit_print_blob(item, cgit_query_sha1, cgit_query_path); + cgit_print_blob(item, ctx.qry.sha1, ctx.qry.path); return; } show_search = (cgit_cmd == CMD_LOG); - cgit_print_docstart(title, item); + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); if (!cgit_cmd) { - cgit_print_pageheader("summary", show_search); + cgit_print_pageheader(&ctx); cgit_print_summary(); cgit_print_docend(); return; } - cgit_print_pageheader(cgit_query_page, show_search); + cgit_print_pageheader(&ctx); switch(cgit_cmd) { case CMD_LOG: - cgit_print_log(cgit_query_sha1, cgit_query_ofs, - cgit_max_commit_count, cgit_query_search, - cgit_query_path, 1); + cgit_print_log(ctx.qry.sha1, ctx.qry.ofs, + ctx.cfg.max_commit_count, ctx.qry.grep, ctx.qry.search, + ctx.qry.path, 1); break; case CMD_TREE: - cgit_print_tree(cgit_query_sha1, cgit_query_path); + cgit_print_tree(ctx.qry.sha1, ctx.qry.path); break; case CMD_COMMIT: - cgit_print_commit(cgit_query_sha1); + cgit_print_commit(ctx.qry.sha1); break; case CMD_REFS: cgit_print_refs(); break; case CMD_TAG: - cgit_print_tag(cgit_query_sha1); + cgit_print_tag(ctx.qry.sha1); break; case CMD_DIFF: - cgit_print_diff(cgit_query_sha1, cgit_query_sha2, cgit_query_path); + cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path); break; default: cgit_print_error("Invalid request"); @@ -118,14 +188,18 @@ static void cgit_print_repo_page(struct cacheitem *item) cgit_print_docend(); } +static long ttl_seconds(long ttl) +{ + if (ttl<0) + return 60 * 60 * 24 * 365; + else + return ttl * 60; +} + static void cgit_fill_cache(struct cacheitem *item, int use_cache) { - static char buf[PATH_MAX]; int stdout2; - getcwd(buf, sizeof(buf)); - item->st.st_mtime = time(NULL); - if (use_cache) { stdout2 = chk_positive(dup(STDOUT_FILENO), "Preserving STDOUT"); @@ -133,7 +207,9 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache) chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); } - if (cgit_repo) + ctx.page.modified = time(NULL); + ctx.page.expires = ctx.page.modified + ttl_seconds(item->ttl); + if (ctx.repo) cgit_print_repo_page(item); else cgit_print_repolist(item); @@ -144,8 +220,6 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache) "Restoring original STDOUT"); chk_zero(close(stdout2), "Closing temporary STDOUT"); } - - chdir(buf); } static void cgit_check_cache(struct cacheitem *item) @@ -153,7 +227,7 @@ static void cgit_check_cache(struct cacheitem *item) int i = 0; top: - if (++i > cgit_max_lock_attempts) { + if (++i > ctx.cfg.max_lock_attempts) { die("cgit_refresh_cache: unable to lock %s: %s", item->name, strerror(errno)); } @@ -199,30 +273,30 @@ static void cgit_parse_args(int argc, const char **argv) for (i = 1; i < argc; i++) { if (!strncmp(argv[i], "--cache=", 8)) { - cgit_cache_root = xstrdup(argv[i]+8); + ctx.cfg.cache_root = xstrdup(argv[i]+8); } if (!strcmp(argv[i], "--nocache")) { - cgit_nocache = 1; + ctx.cfg.nocache = 1; } if (!strncmp(argv[i], "--query=", 8)) { - cgit_querystring = xstrdup(argv[i]+8); + ctx.qry.raw = xstrdup(argv[i]+8); } if (!strncmp(argv[i], "--repo=", 7)) { - cgit_query_repo = xstrdup(argv[i]+7); + ctx.qry.repo = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--page=", 7)) { - cgit_query_page = xstrdup(argv[i]+7); + ctx.qry.page = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--head=", 7)) { - cgit_query_head = xstrdup(argv[i]+7); - cgit_query_has_symref = 1; + ctx.qry.head = xstrdup(argv[i]+7); + ctx.qry.has_symref = 1; } if (!strncmp(argv[i], "--sha1=", 7)) { - cgit_query_sha1 = xstrdup(argv[i]+7); - cgit_query_has_sha1 = 1; + ctx.qry.sha1 = xstrdup(argv[i]+7); + ctx.qry.has_sha1 = 1; } if (!strncmp(argv[i], "--ofs=", 6)) { - cgit_query_ofs = atoi(argv[i]+6); + ctx.qry.ofs = atoi(argv[i]+6); } } } @@ -232,7 +306,7 @@ int main(int argc, const char **argv) struct cacheitem item; const char *cgit_config_env = getenv("CGIT_CONFIG"); - htmlfd = STDOUT_FILENO; + cgit_prepare_context(&ctx); item.st.st_mtime = time(NULL); cgit_repolist.length = 0; cgit_repolist.count = 0; @@ -240,16 +314,15 @@ int main(int argc, const char **argv) cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG, cgit_global_config_cb); - cgit_repo = NULL; if (getenv("SCRIPT_NAME")) - cgit_script_name = xstrdup(getenv("SCRIPT_NAME")); + ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME")); if (getenv("QUERY_STRING")) - cgit_querystring = xstrdup(getenv("QUERY_STRING")); + ctx.qry.raw = xstrdup(getenv("QUERY_STRING")); cgit_parse_args(argc, argv); - cgit_parse_query(cgit_querystring, cgit_querystring_cb); + cgit_parse_query(ctx.qry.raw, cgit_querystring_cb); if (!cgit_prepare_cache(&item)) return 0; - if (cgit_nocache) { + if (ctx.cfg.nocache) { cgit_fill_cache(&item, 0); } else { cgit_check_cache(&item);